Home / 11,311.55-16,972.99-5,076.02

Finding the Fourth Proportional to 11,311.55, 16,972.99 and 5,076.02

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Solution

The fourth proportional to 11,311.55, 16,972.99 and 5,076.02 is: 7,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.55 : 16,972.99 = 5,076.02 : x
  2. Step 2: Convert to fraction form
    11,311.55/16,972.99 = 5,076.02/x
  3. Step 3: Cross multiply
    11,311.55x = 16,972.99 × 5,076.02
  4. Step 4: Simplify right side
    11,311.55x = 86,155,266.44
  5. Step 5: Solve for x
    x = 86,155,266.44/11,311.55
  6. Step 6: Final answer
    x = 7,616.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.